The GDP of North Korea is somewhere around $28.8 Billions whereas the GDP of South Korea is $1.7 Trillions.
Gdp per capita of north korea: $1300
Gdp per capita of south korea: $35000
The North Korea is having a dictatorship government while South Korea is a democratic country.
The South Korea is a highly developed mixed economy whereas the north korea is lower income nation and also one of the poorest in Asia.